Swinging a Wrecking Ball with a Helicopter to Remove Unstable Rock
In this informative clip, the Norwegian Public Road Administration clears a potential rockfall debris prior to establishing an additional rockfall barrier fence.
This was done in order to protect highway 70 in Western Norway. The helicopter sledgehammer was preformed by the Airlift AS, and the fence wast built by Betongrenovering AS.
Read more: https://twistedsifter.com/videos/swinging-a-wrecking-ball-with-a-helicopter-to-remove-unstable-rock/